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489904272 = 2432111337643
BaseRepresentation
bin11101001100110…
…101100010010000
31021010211201022200
4131030311202100
52000403414042
6120340203200
715066055224
oct3514654220
91233751280
10489904272
112315a1370
12118099500
137a65bab0
14490c8784
152d021c4c
hex1d335890

489904272 has 240 divisors, whose sum is σ = 1656852288. Its totient is φ = 133125120.

The previous prime is 489904271. The next prime is 489904291. The reversal of 489904272 is 272409984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489904271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 761583 + ... + 762225.

Almost surely, 2489904272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489904272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828426144).

489904272 is an abundant number, since it is smaller than the sum of its proper divisors (1166948016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489904272 is a wasteful number, since it uses less digits than its factorization.

489904272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 489904272 is about 22133.7812404478. The cubic root of 489904272 is about 788.3221732254.

The spelling of 489904272 in words is "four hundred eighty-nine million, nine hundred four thousand, two hundred seventy-two".